Comparable stake leader
BlackRock, Inc.
SEC ownership of MIDDLESEX WATER CO
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000066004.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 Apr 2026
- Public ticker
- MSEX on Nasdaq, MSEXP on OTC
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
01 Apr 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000066004
- Issuer location
- Iselin, NJ
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of MIDDLESEX WATER CO (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
01 Apr 2026
13F
13D/G
3/4/5
Lead comparable stake: 16%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 16%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
16%
T. Rowe Price Investment Manageme...
9.1%
Neuberger Berman Group LLC
5.6%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
FIRST TRUST PORTFOLIOS LP
2.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
16%
from 13D/G
|
$157,014,108
3,016,602 shares
|
— | 31 Mar 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
Company
|
9.1%
from 13D/G
|
$90,676,000
1,742,092 shares
|
— | 31 Mar 2026 |
| Neuberger Berman Group LLC |
13F
13D/G
Company
|
5.6%
from 13D/G
|
$80,672,607
1,549,906 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$50,027,850
961,148 shares
|
$0 | 31 Mar 2026 |
| FIRST TRUST PORTFOLIOS LP |
13D/G
First Trust Portfolios L.P.
|
2.9%
|
$32,038,082
516,910 shares
|
$0 | 31 Dec 2024 |
| Joshua Bershad |
3/4/5
Director
|
0.12%
|
$1,076,214
21,345 shares
|
— | 01 Apr 2026 |
| Robert N. Hoglund |
3/4/5
Director
|
0%
|
$43,613
865 shares
|
+$108,619 | 01 Apr 2026 |
| Walter G. Reinhard |
3/4/5
Director
|
0%
|
$43,613
865 shares
|
-$16,563 | 01 Apr 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$51,717.
Buys
$108,619
Insiders: 1
Sells
$56,902
Insiders: 3
Net
+$51,717
Shares: +916
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 2,000
Shares: 1,084
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 0 | $0 | $0 | $0 |
| 3-6 | 2,000 | 434 | $108,619 | $23,804 | +$84,814 |
| 6-9 | 0 | 650 | $0 | $33,097 | -$33,097 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 22 reporting-owner rows connected to MIDDLESEX WATER CO. Open a relationship link for the CIK-to-CIK filing trail.
Rows
22
Largest Forms 3/4/5 holder
Dennis W. Doll
Net 12M change
+$51,718
Latest report
01 Apr 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Dennis W. Doll | Director | $8,225,829 | Mixed | 01 Apr 2025 | ||
| A. Bruce Oconnor | SVP, CFO and Treasurer | $1,514,180 | Mixed | 20 Jun 2024 | ||
| G. Christian Andreasen Jr. | Vice President-Engineering | $1,382,027 | Mixed | 31 Jan 2025 | ||
| Amy B. Mansue | Director | $1,084,885 | Mixed | 01 Apr 2026 | ||
| Joshua Bershad | Director | $1,076,214 | Mixed | 01 Apr 2026 | ||
| Nadine Duchemin-Leslie | President, CEO | $973,672 | Mixed | 01 Apr 2026 | ||
| Robert K. Fullagar | President-NJ Operations | $706,470 | Mixed | 01 Apr 2026 | ||
| Steven M. Klein | Director | $651,564 | Mixed | 01 Apr 2026 | ||
| Jay L. Kooper | VP, Gen. Counsel & Secretary | $577,788 | Mixed | 01 Apr 2026 | ||
| James F. Cosgrove Jr. | Director | $571,587 | Mixed | 01 Apr 2026 | ||
| Georgia M. Simpson | Vp It | $561,401 | Mixed | 01 Apr 2026 | ||
| Lorrie B. Ginegaw | VP, Human Resources | $502,978 | -$33,097 | -6.2% | Mixed | 01 Apr 2026 |
| Mohammed Ghali Zerhouni | SVP, CFO and Treasurer | $445,890 | Mixed | 01 Apr 2026 | ||
| Ann L. Noble | Director | $384,603 | Mixed | 01 Apr 2026 | ||
| Kim C. Hanemann | Director | $361,667 | Mixed | 01 Apr 2026 | ||
| Bernadette M. Sohler | VP-Corporate Affairs | $325,030 | Mixed | 31 Dec 2024 | ||
| Gregory S. Sorensen | VP, Chief Operating Officer | $186,261 | Mixed | 01 Apr 2026 | ||
| Vaughn L. McKoy | Director | $148,141 | Mixed | 01 Apr 2026 | ||
| Robert J. Capko | PAO & Controller | $129,948 | -$7,241 | -5.3% | Mixed | 01 Apr 2026 |
| Walter G. Reinhard | Director | $43,613 | -$16,563 | -28% | Mixed | 01 Apr 2026 |
Recent insider transactions for MIDDLESEX WATER CO
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Georgia M. Simpson | MSEX | Common Stock (Book) | Tax liability | 47% | 338 | 1,057 | 01 Apr 2026 | Direct | ||
| Georgia M. Simpson | MSEX | Common Stock (Restricted Stock Book) | Other | -12% | -759 | 5,564 | 01 Apr 2026 | Direct | ||
| Georgia M. Simpson | MSEX | Common Stock (Restricted Stock Book) | Award | 51.2% | 2,140 | 6,323 | 01 Apr 2026 | Direct | ||
| Jay L. Kooper | MSEX | Common Stock (Book) | Tax liability | 66.3% | 350 | 878 | 01 Apr 2026 | Direct | ||
| Jay L. Kooper | MSEX | Common Stock (Restricted Stock Book) | Other | -10.2% | -759 | 6,691 | 01 Apr 2026 | Direct | ||
| Jay L. Kooper | MSEX | Common Stock (Restricted Stock Book) | Award | 53.5% | 2,597 | 7,450 | 01 Apr 2026 | Direct | ||
| Lorrie B. Ginegaw | MSEX | Common Stock (Book) | Tax liability | 8.61% | 364 | 4,593 | 01 Apr 2026 | Direct | ||
| Lorrie B. Ginegaw | MSEX | Common Stock (Restricted Stock Book) | Other | -13.2% | -823 | 5,428 | 01 Apr 2026 | Direct | ||
| Lorrie B. Ginegaw | MSEX | Common Stock (Restricted Stock Book) | Award | 47.6% | 2,017 | 6,251 | 01 Apr 2026 | Direct | ||
| Robert K. Fullagar | MSEX | Common Stock (Book) | Tax liability | 43.6% | 394 | 1,297 | 01 Apr 2026 | Direct | ||
| Robert K. Fullagar | MSEX | Common Stock (Restricted Stock Book) | Other | -12.1% | -886 | 6,433 | 01 Apr 2026 | Direct | ||
| Robert K. Fullagar | MSEX | Common Stock (Restricted Stock Book) | Award | 41% | 2,128 | 7,319 | 01 Apr 2026 | Direct | ||
| Robert J. Capko | MSEX | Common Stock (Book) | Tax liability | 83 | 83 | 01 Apr 2026 | Direct | |||
| Robert J. Capko | MSEX | Common Stock (Restricted Stock Book) | Other | -5.3% | -193 | 3,448 | 01 Apr 2026 | Direct | ||
| Robert J. Capko | MSEX | Common Stock (Restricted Stock Book) | Award | 85.6% | 1,679 | 3,641 | 01 Apr 2026 | Direct | ||
| Mohammed Ghali Zerhouni | MSEX | Common Stock (Restricted Stock Book) | Award | 190% | 5,927 | 9,047 | 01 Apr 2026 | Direct | ||
| Gregory S. Sorensen | MSEX | Common Stock (Restricted Stock Book) | Award | 4,983 | 4,983 | 01 Apr 2026 | Direct | |||
| Nadine Duchemin-Leslie | MSEX | Common Stock (Restricted Stock Book) | Award | 189.8% | 12,675 | 19,352 | 01 Apr 2026 | Direct | ||
| Walter G. Reinhard | MSEX | Common Stock (Book) | Award | 865 | 865 | 01 Apr 2026 | Direct | |||
| Ann L. Noble | MSEX | Common Stock (Book) | Award | 865 | 865 | 01 Apr 2026 | Direct | |||
| Vaughn L. McKoy | MSEX | Common Stock (Book) | Award | 865 | 865 | 01 Apr 2026 | Direct | |||
| Amy B. Mansue | MSEX | Common Stock (Book) | Award | 865 | 865 | 01 Apr 2026 | Direct | |||
| Steven M. Klein | MSEX | Common Stock (Book) | Award | 35% | 865 | 3,333 | 01 Apr 2026 | Direct | ||
| Robert N. Hoglund | MSEX | Common Stock (Book) | Award | 865 | 865 | 01 Apr 2026 | Direct | |||
| Kim C. Hanemann | MSEX | Common Stock (Book) | Award | 34.6% | 865 | 3,367 | 01 Apr 2026 | Direct | ||
| James F. Cosgrove Jr. | MSEX | Common Stock (Book) | Award | 865 | 865 | 01 Apr 2026 | Direct | |||
| Joshua Bershad | MSEX | Common Stock (Book) | Award | 123.2% | 865 | 1,567 | 01 Apr 2026 | Direct | ||
| Walter G. Reinhard | MSEX | Common Stock (Street) | Sale | -4.72% | $16,563 | $55.21 | -300 | 6,051 | 04 Mar 2026 | Direct |
| Nadine Duchemin-Leslie | MSEX | Common Stock (Book) | Tax liability | 48.7% | 2,336 | 7,129 | 03 Mar 2026 | Direct | ||
| Nadine Duchemin-Leslie | MSEX | Common Stock (Restricted Stock Book) | Other | -41% | -4,630 | 6,677 | 03 Mar 2026 | Direct | ||
| Nadine Duchemin-Leslie | MSEX | Common Stock (Restricted Stock Book) | Award | 69.3% | 4,630 | 11,307 | 01 Mar 2026 | Direct | ||
| Robert N. Hoglund | MSEX | Common Stock (Street) | Purchase | $108,619 | $54.31 | 2,000 | 2,000 | 27 Feb 2026 | Direct | |
| Robert J. Capko | MSEX | Common Stock (Book) | Sale | -100% | $7,241 | $54.04 | -134 | 0 | 25 Feb 2026 | Direct |
| Lorrie B. Ginegaw | MSEX | Common Stock (Book) | Sale | -14.9% | $33,097 | $50.92 | -650 | 3,709 | 18 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.